Changes:
- All existing keystone scenarios are ported to Identity service
- All existing ceilometer scenarios whcih uses keystone events for checks
are ported to Identity service
- Module rally/plugins/openstack/scenarios/keystone/utils.py is deprecated in
favour of Identity service
- Methods create_user of Identity service are extended with enabled parameter
- Methods add_role do not return anything any more, since there are no any
useful responces there at all(in case of error, exception will be raisen)
- Extend Identity service and Keystone V2 & V3 implementations with next
methods: create_users, get_user, create_service, get_service,
get_service_by_name, fetch_token, validate_token, list_ec2credentials,
delete_ec2credential
- Drop "email" argument from create_user method of Identity, since it is
not common.
Change-Id: I4913f5cf09dc965ab20458cf211cacdff128f195
ee45c3cde7